News tagged with noise

Cleaning up quantum devices

A paper, based on NPL collaborative research, has been published in the journal Physical Review Letters The work paves the way for the identification and elimination of small amounts of surface defects whose presence on the ...

dateFeb 03, 2017 in Quantum Physics
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Quasi noise-free digital holography

Noise originating from the coherent nature of laser light is the scourge of digital holography, reducing the quality of holographic images below that of conventional photographs. Now, Pasquale Memmolo of ISASI-CNR and collaborators ...

dateDec 29, 2016 in Optics & Photonics
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Traffic noise reduces birds' response to alarm calls

Pollution can take many forms—including noise. Excess noise in the environment from sources such as traffic can have negative effects on animals that rely on sound to communicate and get information about their surroundings. ...

dateDec 28, 2016 in Ecology
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Songbirds sound the alarm about traffic noise

A new study led by Pacific University biologist Chris Templeton demonstrates that the alarm calls of songbirds are dramatically impaired by road traffic noise. Research by Templeton and colleagues has shown that signals critical ...

dateDec 01, 2016 in Ecology
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